Table 2.
The number and proportion of patients receiving a red cell transfusion*, and the number of units received, to 7 days and to discharge following index surgery, by group
| Mini-sternotomy group | Conventional sternotomy group | OR (95% CI; p value) | Risk difference (95% CI; p value) | |
| Red cell transfusions | ||||
| Postoperatively to 7 days number of patients (%) | 23/135 (17.0) | 23/135 (17.0) | 1.0 (0.5 to 2.0; 0.9052) | 0.0 (−0.1 to 0.1; 0.9999) |
| Postoperatively to discharge number of patients (%) | 34/135 (25.2) | 29/135 (21.5) | 1.4 (0.7 to 2.7) | |
| Red cell units—postoperatively to 7 days | ||||
| Number of patients | 23/135 | 23/135 | ||
| Mean±SD | 1.6±0.7 | 2.3±1.7 | ||
| Range (min–max) | 1–3 | 1–9 | ||
| Red cell units—postoperatively to discharge | ||||
| Number of patients | 34/135 | 29/135 | ||
| Mean±SD | 2.5±2.5 | 2.6±2.0 | ||
| Range (min–max) | 1–13 | 1–11 |
*Reprinted from Hancock et al,28 with permission from Elsevier.